Smoke filtering and cooling device

Details Smoke filtering and cooling device Smoke filtering and cooling device

1980-12-11

1982-11-09

Pellegrino, Stephen C.

Tobacco

Tobacco users' appliance

Device used for smoking

138 90, A24F 130

Patent

active

043579485

ABSTRACT:
A smoke filtering and cooling device is removably mounted within a cylindrical vertical passage in a tobacco smoking water pipe through which smoke is upwardly directed. The device comprises a selectively expandable/retractable portion which is engageable with the passage wall whereby the device is mechanically supported and a fluid-tight seal is provided so that a quantity of water can be retained in the passage around the device. The device further comprises or defines passageways whereby the smoke is directed through the water for filtering and cooling as it passes through the pipe. A plurality of devices may be arranged one above another in the same water pipe to increase efficiency.

REFERENCES:
patent: 546258 (1895-09-01), Suverkrot
patent: 3920145 (1975-11-01), McGregor et al.
patent: 4148327 (1979-04-01), Graham
patent: 4253475 (1981-03-01), Schreiber et al.

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